CVE-2021-41634 : Exploit Details and Defense Strategies

A user enumeration vulnerability in MELAG FTP Server 2.2.0.4 allows attackers to identify valid FTP usernames.

Understanding CVE-2021-41634

A user enumeration flaw in the MELAG FTP Server 2.2.0.4 version enables the identification of genuine FTP usernames.

What is CVE-2021-41634?

The vulnerability in MELAG FTP Server 2.2.0.4 lets malicious actors determine legitimate FTP usernames, aiding in potential unauthorized access.

The Impact of CVE-2021-41634

The vulnerability could lead to unauthorized access to FTP servers, jeopardizing data confidentiality and integrity.

Technical Details of CVE-2021-41634

The following are the technical details of CVE-2021-41634.

Vulnerability Description

The vulnerability allows malicious actors to enumerate valid FTP usernames in MELAG FTP Server 2.2.0.4.

Affected Systems and Versions

Product: MELAG FTP Server
Version: 2.2.0.4

Exploitation Mechanism

Attackers exploit this vulnerability to gather valid FTP usernames, potentially leading to unauthorized access.

Mitigation and Prevention

Steps to address and prevent the exploitation of CVE-2021-41634.

Immediate Steps to Take

Implement strong password policies for FTP accounts.
Monitor FTP server logs for suspicious activities.
Consider limiting login attempts to prevent enumeration attacks.

Long-Term Security Practices

Regularly update and patch the MELAG FTP Server to fix known vulnerabilities.
Conduct security training for system administrators to enhance awareness of FTP server security.

Patching and Updates

Ensure timely installation of security patches provided by the MELAG FTP Server to protect against CVE-2021-41634.